Home / 1,488,414.30-2,053,988.31-809,344.86

Finding the Fourth Proportional to 1,488,414.30, 2,053,988.31 and 809,344.86

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Solution

The fourth proportional to 1,488,414.30, 2,053,988.31 and 809,344.86 is: 1,116,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,414.30 : 2,053,988.31 = 809,344.86 : x
  2. Step 2: Convert to fraction form
    1,488,414.30/2,053,988.31 = 809,344.86/x
  3. Step 3: Cross multiply
    1,488,414.30x = 2,053,988.31 × 809,344.86
  4. Step 4: Simplify right side
    1,488,414.30x = 1,662,384,881,198.59
  5. Step 5: Solve for x
    x = 1,662,384,881,198.59/1,488,414.30
  6. Step 6: Final answer
    x = 1,116,883.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.